var target = "";

   function get_story_images(id,catId){
     resetActiveParent(id);
     var image_id = "id="+id+"&catId="+catId;
     target = 'image_story';
     passVars('SlideShow/makeStory_Images.php',image_id);
     document.getElementById(target).innerHTML = "";
     document.getElementById(target).innerHTML = '<p class="loading">Loading...</p>';
   }
   function next_slide_group(start){
     var next_group = "start="+start;
     target = 'thumbs';
     passVars('SlideShow/makeStory_Images.php',next_group);
     document.getElementById(target).innerHTML = "";
     document.getElementById(target).innerHTML = '<p class="loading_thumbs">Loading...</p>';
   }

   function changeDir(id){
     var groupId = 'group='+id;
     target = 'storyAndthumbs';
     resetActiveDir(id);
     passVars('SlideShow/makeStory_Images.php',groupId);
     document.getElementById(target).innerHTML = "";
     document.getElementById(target).innerHTML = '<p class="st_loading">Loading...</p>';
   }

   function resetActiveDir(id){
     var ReNode = document.getElementById('activeDir');
        if(ReNode){
            ReNode.id = "";
        }
     var newNode = document.getElementById(id);
        newNode.parentNode.id = 'activeDir';
   }

   function last_slide_group(last){
     var last_group = "last="+last;
     target = 'thumbs';
     passVars('SlideShow/makeStory_Images.php',last_group);
     document.getElementById(target).innerHTML = "";
     document.getElementById(target).innerHTML = '<p class="loading_thumbs">Loading...</p>';
   }

   function resetActiveParent(id){
     var div_to_reset = document.getElementById('active');
     if(div_to_reset){
         div_to_reset.id = "";
         var newActive = document.getElementById(id).parentNode.id = 'active';
         return true;
     }else{
         document.getElementById(id).parentNode.id = 'active';
         return true;
     }
   }

   var http_request = false;

   function passVars(url,input) {
      http_request = false;
      if (window.XMLHttpRequest) { // Mozilla, Safari,...
         http_request = new XMLHttpRequest();
         if (http_request.overrideMimeType) {
         	// set type accordingly to anticipated content type
            //http_request.overrideMimeType('text/xml');
            http_request.overrideMimeType('text/html');
         }
      } else if (window.ActiveXObject) { // IE
         try {
            http_request = new ActiveXObject("Msxml2.XMLHTTP");
         } catch (e) {
            try {
               http_request = new ActiveXObject("Microsoft.XMLHTTP");
            } catch (e) {}
         }
      }
      if (!http_request) {
         alert('Cannot create XMLHTTP instance');
         return false;
      }

      http_request.onreadystatechange = alertContents;
      http_request.open('POST', url, true);
      http_request.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
      http_request.setRequestHeader("Content-length", input.length);
      http_request.setRequestHeader("Connection", "close");
      http_request.send(input);

   }

   function alertContents() {
      if (http_request.readyState == 4) {
         if (http_request.status == 200) {
            //alert(http_request.responseText);
            result = http_request.responseText;
                document.getElementById(target).innerHTML = "";
                document.getElementById(target).innerHTML = result;
         } else {
            alert('There was a problem with the request. (Code: ' + http_request.status + ')');
         }
      }
   }